Lip Droop from Botox. 1  I had Botox injecton one week ago in my forehead and for crows feet. Now I noticed that the right half of my top lip is drooping when I smile or open my mouth wide. 2  I have done Botox on my forehead and just once in the crows feet area. It usually lasts from 12 to 20 weeks at most for me.
Corundum is a crystalline form of aluminium oxide (Al 2O 3) typically containing traces of iron, titanium, vanadium and chromium.orundum is a crystalline form of aluminium oxide (Al 2O 3) typically containing traces of iron, titanium, vanadium and chromium.
The extreme hardness makes corundum an excellent abrasive, and when that hardness is found in beautiful crystals, you have the perfect material for cutting gemstones. Natural and synthetic corundum are used in a wide variety of industrial applications because of their toughness, hardness, and chemical stability.orundum is a rock-forming mineral that is found in igneous, metamorphic, and sedimentary rocks. It is an aluminum oxide with a chemical composition of Al 2 O 3 and a hexagonal crystal structure.